/* ── Reset & Variables ── */
:root {
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-card-hover: #222635;
    --bg-input: #252836;
    --border: #2d3044;
    --text: #e4e6f0;
    --text-muted: #8b8fa3;
    --primary: #4CAF50;
    --primary-hover: #45a049;
    --danger: #f44336;
    --danger-hover: #d32f2f;
    --warning: #ff9800;
    --info: #2196F3;
    --purple: #9c27b0;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navbar ── */
.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand a {
    color: var(--primary);
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    gap: 4px;
    margin-left: 32px;
}

.nav-link {
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
}

.nav-link:hover {
    color: var(--text);
    background: var(--bg-input);
    text-decoration: none;
}

.nav-link.active {
    color: var(--primary);
    background: rgba(76, 175, 80, 0.1);
}

.navbar-end {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-user {
    color: var(--text-muted);
    font-size: 14px;
}

.nav-logout {
    color: var(--danger) !important;
}

/* ── Content ── */
.content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* ── Page Header ── */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 600;
}

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 16px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.card-img {
    width: 100%;
    border-radius: 4px;
    background: #000;
    aspect-ratio: 16/9;
    object-fit: contain;
}

.card-body {
    margin-top: 12px;
}

.card-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ── Badges ── */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success { background: rgba(76,175,80,0.2); color: var(--primary); }
.badge-warning { background: rgba(255,152,0,0.2); color: var(--warning); }
.badge-danger { background: rgba(244,67,54,0.2); color: var(--danger); }
.badge-info { background: rgba(33,150,243,0.2); color: var(--info); }

/* ── Status Bar ── */
.status-bar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    font-size: 14px;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: #fff;
}

.btn:hover { text-decoration: none; filter: brightness(1.1); }
.btn-primary { background: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: var(--danger-hover); }
.btn-info { background: var(--info); }
.btn-purple { background: var(--purple); }
.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-outline:hover { background: var(--bg-input); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* ── Forms ── */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

/* ── Flash Messages ── */
.flash {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 14px;
}

.flash-error { background: rgba(244,67,54,0.15); color: var(--danger); border: 1px solid rgba(244,67,54,0.3); }
.flash-success { background: rgba(76,175,80,0.15); color: var(--primary); border: 1px solid rgba(76,175,80,0.3); }
.flash-info { background: rgba(33,150,243,0.15); color: var(--info); border: 1px solid rgba(33,150,243,0.3); }

/* ── Tables ── */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover td {
    background: var(--bg-card-hover);
}

/* ── Code / Snippet ── */
.snippet-box {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    font-family: 'Fira Code', 'Cascadia Code', monospace;
    font-size: 13px;
    word-break: break-all;
    position: relative;
}

.snippet-box .copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
}

/* ── Login ── */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}

.login-title {
    color: var(--primary);
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4px;
}

.login-subtitle {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 24px;
    font-size: 14px;
}

.login-form .btn {
    margin-top: 8px;
}

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .navbar { padding: 0 12px; }
    .navbar-menu { display: none; }
    .content { padding: 16px; }
    .card-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; gap: 12px; align-items: flex-start; }
}